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Issue: Vol. 619 No. 2: 6 Oct. 2023
Type: Article
Published: 2023-10-06
DOI: 10.11646/phytotaxa.619.2.8
Page range: 197-202
Abstract views: 470
PDF downloaded: 15

Bulbophyllum deergongense (Dendrobiinae; Malaxideae; Epidendroideae; Orchidaceae), a new species from Tibet, China

Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape Architecture and Art; Fujian Agriculture and Forestry University; Fuzhou 350002; China
Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape Architecture and Art; Fujian Agriculture and Forestry University; Fuzhou 350002; China
Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape Architecture and Art
Forestry and Grassland Administration of Motuo County; Motuo 860700; China
Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape Architecture and Art
Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape Architecture and Art
Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape Architecture and Art
Monocots Bulbophyllum reptans Dendrobiieae orchid phylogenetics Bulbophyllum section Reptantia

Abstract

A new species of Orchidaceae, Bulbophyllum deergongense, is described from Motuo (Tibet, China) based on morphological traits and molecular phylogenetic analysis. This new species is similar to B. reptans but differs in its elongate cylindrical pseudobulbs with prominent ridges, yellowish-green flower without markings, and oblong-ovoid petal with a round apical purple-brown spot. Molecular phylogenetic analyses based on two plastid makers (matK and psbA-trnH) and two nuclear DNA (ITS and Xdh) support B. deergongense as a new species of B. section Reptantia, in which it is sister to B. reptans.

 

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